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词条
释义

  1. See also

{{wiktionary|⊖}}

is the Unicode character "circled minus" (U+2296)

may refer to:

  • Symmetric difference, the set of elements which are in either of two sets but not in their intersection
  • Erosion (morphology), one of the fundamental operations in morphological image processing
  • A function for reversal and rotation in the APL programming language

See also

  • Celtic cross
  • Coptic cross
  • Cross symbol
  • ⊕ (disambiguation)
  • 𐃏
  • ⴲ (U+2D32, tifinagh letter yabh)
{{disambiguation}}
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